esert·10 anni fa·discussGolang already provides bindings for the polling syscalls (e.g. https://gcmurphy.wordpress.com/2012/11/30/using-epoll-in-go/). Someone can write a library to do what you describe.
esert·10 anni fa·discussThey have audience options for ads (like age/gender/location, see http://searchads.apple.com/how-it-works/#features), meaning they collect data about their users as well.Also, they colluded with other companies to, effectively, keep employees' wages down. Amount of money they saved was probably a rounding error for them in this case too.
esert·12 anni fa·discussHere's a talk by Richard Feynman where he explains how computers work https://www.youtube.com/watch?v=EKWGGDXe5MA